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Mount Everest's Trash-Covered Slopes Are Being Cleaned By Drones

Bloomberg · last updated

Human waste, empty oxygen cylinders, kitchen leftovers and discarded ladders.

Sherpas working on Mount Everest carry all that and more — 20 kilograms (44 pounds) per person — navigating a four-hour hike that traverses crumbling glacial ice and treacherous crevasses to bring trash back to base camp.